From: Cédric Le Goater Date: Wed, 8 Apr 2015 07:31:10 +0000 (+0200) Subject: powerpc/powernv: convert OPAL codes returned by sysparam calls X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=14aae78f084af5241476ede8e28b377fc751b191;p=deliverable%2Flinux.git powerpc/powernv: convert OPAL codes returned by sysparam calls The opal_{get,set}_param calls return internal error codes which need to be translated in errnos in Linux. Signed-off-by: Cédric Le Goater Signed-off-by: Michael Ellerman --- diff --git a/arch/powerpc/platforms/powernv/opal-sysparam.c b/arch/powerpc/platforms/powernv/opal-sysparam.c index 2e52b47393e7..afe66c576a38 100644 --- a/arch/powerpc/platforms/powernv/opal-sysparam.c +++ b/arch/powerpc/platforms/powernv/opal-sysparam.c @@ -55,8 +55,10 @@ static ssize_t opal_get_sys_param(u32 param_id, u32 length, void *buffer) } ret = opal_get_param(token, param_id, (u64)buffer, length); - if (ret != OPAL_ASYNC_COMPLETION) + if (ret != OPAL_ASYNC_COMPLETION) { + ret = opal_error_code(ret); goto out_token; + } ret = opal_async_wait_response(token, &msg); if (ret) { @@ -65,7 +67,7 @@ static ssize_t opal_get_sys_param(u32 param_id, u32 length, void *buffer) goto out_token; } - ret = be64_to_cpu(msg.params[1]); + ret = opal_error_code(be64_to_cpu(msg.params[1])); out_token: opal_async_release_token(token); @@ -89,8 +91,10 @@ static int opal_set_sys_param(u32 param_id, u32 length, void *buffer) ret = opal_set_param(token, param_id, (u64)buffer, length); - if (ret != OPAL_ASYNC_COMPLETION) + if (ret != OPAL_ASYNC_COMPLETION) { + ret = opal_error_code(ret); goto out_token; + } ret = opal_async_wait_response(token, &msg); if (ret) { @@ -99,7 +103,7 @@ static int opal_set_sys_param(u32 param_id, u32 length, void *buffer) goto out_token; } - ret = be64_to_cpu(msg.params[1]); + ret = opal_error_code(be64_to_cpu(msg.params[1])); out_token: opal_async_release_token(token); diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index 8403307c5362..fd694bd51b80 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -830,6 +830,7 @@ int opal_error_code(int rc) case OPAL_ASYNC_COMPLETION: return -EINPROGRESS; case OPAL_BUSY_EVENT: return -EBUSY; case OPAL_NO_MEM: return -ENOMEM; + case OPAL_PERMISSION: return -EPERM; case OPAL_UNSUPPORTED: return -EIO; case OPAL_HARDWARE: return -EIO;